uint16_t a0 = (ops[0] & 0x000000000000FFFF) >> 0;
uint16_t a1 = (ops[0] & 0x00000000FFFF0000) >> 16;
uint16_t a2 = (ops[0] & 0x0000FFFF00000000) >> 32;
uint16_t a3 = (ops[0] & 0xFFFF000000000000) >> 48;

uint64_t b = ops[1];
if (ops.size() == 1) {
  b = 2;
}
uint64_t c0 = (uint64_t)(a0 >> b) << 0;
uint64_t c1 = (uint64_t)(a1 >> b) << 16;
uint64_t c2 = (uint64_t)(a2 >> b) << 32;
uint64_t c3 = (uint64_t)(a3 >> b) << 48;
return c0 | c1 | c2 | c3;
// return (uint64_t) _mm_adds_pu16((__m64)ops[0], (__m64)ops[1]);
